7241220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{821}}^1$

素因数の和:850

約数の個数: 108

約数和(自身を含む): 25582284

約数和(自身を除く): 18341064

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 821, 882, 980, 1260, 1470, 1642, 1764, 2205, 2463, 2940, 3284, 4105, 4410, 4926, 5747, 7389, 8210, 8820, 9852, 11494, 12315, 14778, 16420, 17241, 22988, 24630, 28735, 29556, 34482, 36945, 40229, 49260, 51723, 57470, 68964, 73890, 80458, 86205, 103446, 114940, 120687, 147780, 160916, 172410, 201145, 206892, 241374, 258615, 344820, 362061, 402290, 482748, 517230, 603435, 724122, 804580, 1034460, 1206870, 1448244, 1810305, 2413740, 3620610, 7241220]

約数ペア:

[(1, 7241220), (2, 3620610), (3, 2413740), (4, 1810305), (5, 1448244), (6, 1206870), (7, 1034460), (9, 804580), (10, 724122), (12, 603435), (14, 517230), (15, 482748), (18, 402290), (20, 362061), (21, 344820), (28, 258615), (30, 241374), (35, 206892), (36, 201145), (42, 172410), (45, 160916), (49, 147780), (60, 120687), (63, 114940), (70, 103446), (84, 86205), (90, 80458), (98, 73890), (105, 68964), (126, 57470), (140, 51723), (147, 49260), (180, 40229), (196, 36945), (210, 34482), (245, 29556), (252, 28735), (294, 24630), (315, 22988), (420, 17241), (441, 16420), (490, 14778), (588, 12315), (630, 11494), (735, 9852), (821, 8820), (882, 8210), (980, 7389), (1260, 5747), (1470, 4926), (1642, 4410), (1764, 4105), (2205, 3284), (2463, 2940)]